<template>
  <div class="upload-container">
    <el-button
      :style="{ background: color, borderColor: color }"
      icon="el-icon-upload"
      size="mini"
      type="primary"
      @click="dialogVisible = true"
    >
      上传图片
    </el-button>

    <el-dialog @close="cancel" :visible.sync="dialogVisible">
      <el-upload
        class="editor-slide-upload"
        action="test"
        list-type="picture-card"
        :on-remove="handleRemoveImage"
        :before-upload="beforeImageUpload"
        :file-list="fileList"
        :http-request="uploadImage"
      >
        <el-button size="small" type="primary"> 点击上传 </el-button>
      </el-upload>

      <!-- <el-upload
        :multiple="true"
        :file-list="fileList"
        :show-file-list="true"
        :on-remove="handleRemove"
        :on-success="handleSuccess"
        :before-upload="beforeUpload"
        class="editor-slide-upload"
        action="https://httpbin.org/post"
        list-type="picture-card"
      >
        <el-button size="small" type="primary"> 点击上传 </el-button>
      </el-upload> -->
      <span slot="footer">
        <el-button @click="cancel">取消</el-button>
        <el-button type="primary" @click="handleSubmit">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
// import { getToken } from 'api/qiniu'
import { uploadFile } from "@/api/common";
export default {
  name: "EditorSlideUpload",
  props: {
    color: {
      type: String,
      default: "#1890ff",
    },
  },
  data() {
    return {
      dialogVisible: false,
      listObj: {},
      fileList: [],
    };
  },
  methods: {
    handleRemoveImage(file, fileList) {
      this.fileList = fileList;
    },
    beforeImageUpload(file) {
      const isImg =
        file.type === "image/jpeg" ||
        file.type === "image/jpg" ||
        file.type === "image/png";
      if (!isImg) {
        this.$message.error("请上传jpeg、jpg、png格式的图片");
      }
      return isImg;
    },
    async uploadImage({ file }) {
      const formdata = new FormData();
      formdata.append("file", file);
      formdata.append("dir", "richtext");
      formdata.append("filetype", "image");

      const res = await uploadFile(formdata);
      this.fileList.push({
        id: 0,
        attachment: res.data.filename,
        status: "success",
        name: res.data.filename,
        url: res.data.filepath,
      });
    },

    checkAllSuccess() {
      return Object.keys(this.listObj).every(
        (item) => this.listObj[item].hasSuccess
      );
    },
    cancel() {
      this.dialogVisible = false;
      this.fileList = [];
    },
    handleSubmit() {
      this.$emit("successCBK", this.fileList);
      this.fileList = [];
      this.dialogVisible = false;
    },
    handleSuccess(response, file) {
      const uid = file.uid;
      const objKeyArr = Object.keys(this.listObj);
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          this.listObj[objKeyArr[i]].url = response.files.file;
          this.listObj[objKeyArr[i]].hasSuccess = true;
          return;
        }
      }
    },
    handleRemove(file) {
      const uid = file.uid;
      const objKeyArr = Object.keys(this.listObj);
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          delete this.listObj[objKeyArr[i]];
          return;
        }
      }
    },
    beforeUpload(file) {
      const _self = this;
      const _URL = window.URL || window.webkitURL;
      const fileName = file.uid;
      this.listObj[fileName] = {};
      return new Promise((resolve, reject) => {
        const img = new Image();
        img.src = _URL.createObjectURL(file);
        img.onload = function () {
          _self.listObj[fileName] = {
            hasSuccess: false,
            uid: file.uid,
            width: this.width,
            height: this.height,
          };
        };
        resolve(true);
      });
    },
  },
};
</script>

<style lang="scss" scoped>
.editor-slide-upload {
  margin-bottom: 20px;
  ::v-deep .el-upload--picture-card {
    width: 100%;
  }
}
</style>
